<%@ page contentType="text/html;charset=UTF-8" isELIgnored="false" language="java" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jsp/jstl/core" %>
<%@ taglib prefix="fn" uri="http://java.sun.com/jsp/jstl/functions" %>
<html>
<head>
    <title>注册</title>
</head>
<body>

${empty name}<br/>


<c:set var="abc" value="0"/>

<c:forEach begin="0" end="10" step="1" var="i">
    <c:set var="abc" value="${abc+10*i}"/>
    ${i}
</c:forEach>
<br>
${abc}

<br>
${requestScope.get("name")}
${requestScope.name}
${requestScope['name']}

${param.get("a2")}
${param.a2}
${param['a2']}

</body>
</html>
